(1) Classify the following as chemicalphysical changes : (1) cutting of trees (2) melting of butter in a pan (3) rusting of almirah (4) boiling of water to form steam (5) passing of electric current through water and the water breaking down into hydrogen and oxygen gases (6) dissolving common salt in water (7) making a fruit salad with raw fruits (8) burning of paper and wood.

(1) Classify the following as chemicalphysical changes : (1) cutting

1.	(1) Classify the following as chemicalphysical changes : (1) cutting of trees (2) melting of butter in a pan (3) rusting of almirah (4) boiling of water to form steam (5) passing of electric current through water and the water breaking down into hydrogen and oxygen gases (6) dissolving common salt in water (7) making a fruit salad with raw fruits (8) burning of paper and wood.
Answer» Solution :Physical changes : (1) cutting of trees Stand (2) melting of butter in a pan (4) BOILING of water to form steam (6) dissolving common salt in water (7) making a fruit SALAD with raw fruits Chemical changes : (3) rusting of almirah (5) PASSING of electric current through water and water breaking down into hydrogen and oxygen gases (8) burning of PAPER and wood.